//openTour 
function emark(city) {	
	openTour('dituserver.jsp?cityid='+city,'地图');
}  

function openTour(URL,title)
{
	//var leftPos = document.getElementById('mainCanvas').offsetLeft + (document.getElementById('mainCanvas').offsetWidth / 2) - (720 / 2) + 'px';
	tourWindow = window.open(URL, "tinyWindow", 'left=200px,top=200px,width=500px,height=400px,toolbar=0,location=0,status=0,menubar=0,scrollbars=0,resizable=0') 
}
function showCoordinate()
{
	var coordinate = document.all.mapCoordinate.value;

	alert(coordinate);
}